●Dependency of direct and inverse transverse piezoelectric properties on composition in self-polarized epitaxial (K_xNa_1−x)NbO₃ films grown via a hydrothermal method
A. Tateyama, Y. Ito, T. Shimizu, Y. Orino, M. Kurosawa, T.Yoshimura, H. Funakubo
Jpn. J. Appl. Phys. 59, SPPC03 (2020).
https://iopscience.iop.org/article/10.35848/1347-4065/aba9b3

●Good piezoelectricity of self-polarized thick epitaxial (K,Na)NbO₃ films grown below the Curie temperature (240 °C) using a hydrothermal method
A. Tateyama, Y. Ito, Y. Nakamura, T. Shimizu, Y. Orino, M. Kurosawa, H. Uchida, T. Shiraishi, T. Kiguchi, T. J. Konno, T. Yoshimura, H. Funakubo
Appl. Phys. Lett. 117, 142903 (2020)
https://aip.scitation.org/doi/10.1063/5.0017990

●Supersensitive Ultrasound Probes for Medical Imaging by Piezoelectric MEMS with Complemented Transmitting and Receiving Transducers
K. Suzuki, Y. Nakayama, N. Shimizu, T. Mizuno, Y. Mita, T. Yoshimura
2020 IEEE International Ultrasonics Symposium (IUS), Las Vegas, NV, USA, 2020, pp. 1-4
https://ieeexplore.ieee.org/document/9251511

●Combinatorial study of the phase development of sputtered Pb(Zr,Ti)O₃ films
M. Murase, T. Yoshimura and N. Fujimura
J. J. Appl. Phys. 59 SPPC05 (2020)
https://iopscience.iop.org/article/10.35848/1347-4065/abb4c0

●Investigation of Efficient Piezoelectric Energy Harvesting from Impulsive Force
S. Aphayvong, T. Yoshimura, S. Murakami, K. Kanda, N. Fujimura
J. J. Appl. Phys. 59 SPPD04 (2020)
https://iopscience.iop.org/article/10.35848/1347-4065/abad16

●Change in the defect structure of composition controlled single-phase YbFe₂O₄ epitaxial thin films
K. Shimamoto, J. Tanaka, K. Miura, D. Kiriya, T. Yoshimura, N. Fujimura
J. J. Appl. Phys. 59 SPPB07 (2020)
https://iopscience.iop.org/article/10.35848/1347-4065/aba9b2

●Photoactivation of Strong Photoluminescence in Superacid-Treated Monolayer Molybdenum Disulfide
Y. Yamada, K. Shinokita, Y. Okajima, S. N. Takeda, Y. Matsushita, K. Takei, T. Yoshimura, A. Ashida, N. Fujimura, K. Matsuda, D. Kiriya
ACS Appl. Mater. Interfaces, 2020, 12, 36496–36504 (2020)
https://pubs.acs.org/doi/abs/10.1021/acsami.0c09084

●Investigation of the electrocaloric effect in ferroelectric polymer film through direct measurement under alternating electric field
Y. Matsushita, T. Yoshimura, D. Kiriya, N. Fujimura
Appl. Phys. Express 13, 041007  (2020)
https://doi.org/10.35848/1882-0786/ab8053

●Valence states and the magnetism of Eu ions in Eu-doped GaN
T.Nunokawa, Y. Fujiwara, Y. Miyata, N. Fujimura, T.Sakurai, H.Ohta, A.Masago, H.Shinya, T. Fukushima, K. Sato, H. Katayama-Yoshida
Journal of Applied Physics 127, 083901 (2020)
https://doi.org/10.1063/1.5135743